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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
in the same speed
Grammar usage guide and real-world examplesUSAGE SUMMARY
"in the same speed" is correct and usable in written English.
You can use this phrase to indicate that something is happening at a consistent rate. For example, "John ran around the track in the same speed for the whole race."
✓ Grammatically correct
Science
News & Media
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
5 human-written examples
They have a player who travels in the same speed lanes to go with their new president and general manager, who dropped out of the sky and hit Midtown running.
News & Media
Vehicles that fall in the same speed group belong to the same cluster.
Most of the time you don't even feel a breeze, because you're moving in the same speed and direction as the wind.
News & Media
Steel design codes (ASD and LRFD) are not developing in the same speed, which prevents the full utilization and application of loading code.
Science
As a result, charge separation and associated electric field E will be created, causing equatorward E×B drift of plasma in the same speed of neutral wind u.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
"Even when the markets rebound, we don't expect people to get in with the same speed as before to the high-yielding assets," said Monish Kumar, global leader of asset and wealth management at Boston Consulting.
News & Media
And while we would bet money that those individual chin hairs grow in at an exponentially faster rate than the other hair on our bodies, Lamb maintains they come in at the same speed.
News & Media
The learning rates in the models were tuned by starting with very small values, and increasing them until the system was able to learn in approximately the same speed as the human subjects (within 20 trials).
Science
Newton's first law of motion states that objects in motion tend to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Science
According to the Yankees' radar guns, Colon's fastball hummed in at nearly the same speed, at 93 m.p.h, which is where it was during winter ball in the Dominican Republic.
News & Media
The different geogrids used in the research have been tested using unconfined tensile tests performed at different speeds, and, in particular, at the same speed of the pullout tests; granular soil have been characterized through classification, Proctor and shear tests.
Science
Expert writing Tips
Best practice
Consider using the more common and stylistically preferred alternative "at the same speed" for improved clarity and naturalness.
Common error
Avoid unnecessarily complex sentences when describing consistent speeds. Simpler phrasing like "at the same speed" often enhances readability and impact.
Source & Trust
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in the same speed" primarily functions as an adverbial phrase, modifying a verb by specifying the manner in which an action is performed. Though grammatically correct, Ludwig suggests that it is less frequent compared to alternatives.
Frequent in
Science
60%
News & Media
20%
Wiki
20%
Less common in
Encyclopedias
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "in the same speed" is grammatically correct but considered less common than its alternatives, such as "at the same speed". Ludwig indicates that the phrase functions as an adverbial phrase, describing the manner in which an action is performed. While understandable, prioritizing phrases like "at the same speed" can increase clarity and stylistic preference. Occurrences of "in the same speed" can be seen across different categories of sources, from science to news and media.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at the same speed
Replaces the preposition "in" with "at", which is more common and natural in this context.
with the same speed
Uses the preposition "with" which, like "at", offers a more common phrasing.
at a consistent speed
Replaces "the same" with "a consistent", emphasizing uniformity rather than direct equivalence.
at an equal speed
Substitutes "same" with "equal", highlighting the equality in velocity.
maintaining the same speed
Expresses the concept as an action, focusing on the act of keeping the velocity constant.
remaining at the same speed
Highlights the continuation of velocity without change.
travelling at the same speed
Specifies that the speed relates to travel or movement.
keeping the same pace
Replaces "speed" with "pace", which can be more suitable in certain contexts, particularly those involving human activity.
moving at the same velocity
Uses the term "velocity" instead of "speed", adding a technical nuance.
proceeding at the same rate
Substitutes "speed" with "rate", often used when referring to progress or advancement.
FAQs
What's a more common alternative to "in the same speed"?
A more common and stylistically preferred alternative is "at the same speed".
Is "in the same speed" grammatically incorrect?
While grammatically understandable, "in the same speed" is less common. "At the same speed" is generally preferred.
How can I use "in the same speed" in a sentence?
You can use it to describe objects moving together, like "The two cars were traveling in the same direction, in the same speed."
What is the difference between "in the same speed" and "with the same speed"?
Both phrases are grammatically correct, but "with the same speed" is generally more common, implying an object possesses that speed.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested