The phrase "at the normal speed" is correct and usable in written English.
You can use it when referring to a standard or typical pace of an activity, such as speaking, running, or processing information.
Example: "Please read the instructions at the normal speed to ensure you understand all the details."
Alternatives: "at the usual pace" or "at the standard speed."
Laser beams moving at the normal speed of light collide with the atoms.
Derek: I have it speeded up because my mind has adjusted such that if I do it at the normal speed, it's like twoooooo oooohhhhh twwwoooo, you know, it's like super super slow and that just doesn't help.
From the early flicker-books through to the sophisticated line drawings of Walt Disney, they all rely on persistency of vision; the simple fact that when film made that way is projected at the normal speed of 25 frames per second, it appears as a continuously moving picture.
At the normal speed, blacks had a smaller knee range of motion and loading rate than whites.
During the recording of Lennon's vocals, the tape speed was reduced from 50 cycles per second to 45, which produced a higher and thinner-sounding track when played back at the normal speed.
The average migration rate of a GFP-positive cell was 0.3 ± 0.08 μm/minute, similar to uninjected transgenic embryos, indicating that the GFP-positive cells are capable of moving at the normal speed.
The overall effect is both funny ha-ha and funny peculiar, like watching a Carry On film that has been put into a blender and then played at twice the normal speed.
Southeastern said Network Rail had put a 50mph speed restriction on all mainline routes south of Swanley and Sevenoaks due to severe weather and the risk of further landslips and flooding, meaning that trains are running at half the normal speed.
More usefully, it can scan backwards smoothly and fast-forward at twice the normal speed while playing the audio, though I found the sound too choppy to be helpful.
You can choose to play a series of rounds at 25percentt of the normal speed, for example, giving it a "bullet time" effect.
However, games probably won't do this because most people wouldn't want to play them at 2.5 times the normal speed.
