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Discover LudwigThe phrase "a speed of A" is correct and usable in written English.
It can be used when discussing a specific speed measurement in various contexts, such as physics, engineering, or everyday conversation.
Example: "The car was traveling at a speed of 60 miles per hour."
Alternatives: "a velocity of A" or "a rate of A".
Exact(9)
But Dr. Ulrich said any treadmill was useful, as long as it could be brought down to a speed of a half-mile per hour.
Searchers can lower microphones to listen, but those will be towed through the water at a speed of a few miles per hour, increasing the need to narrow the search area.
Fuller's Dymaxion three-wheeled automobile, of which three prototypes were built between 1933 and 1935, could turn in its own length; it could also develop a speed of a hundred and twenty miles per hour using a standard ninety-horsepower Ford engine.
"A race car as "Ferrari" can run at a speed of a 'Fiat 500' but not vice versa".
Higher flow speed is desirable, but a speed of a few meters per second is sufficient to cause instability.
Onset of rapid eye pupil movements may occur if a speed of a moving object tracked by the eye of the wearer is equal to or greater than the predetermined threshold speed.
Similar(51)
When the car hit the hill, they were going at a speed of an excess of 120 miles per hour.
That's a speed of almost 800 miles an hour.
It is moving at a speed of 6km a year, three times faster than 10 years ago".
The craft plunged into the upper atmosphere at a speed of 12,000 miles an hour.
Lightning fighter at a speed of 1,262 miles an hour over the North Sea.
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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