Speed can be thought of as the rate at which an object covers distance. A fast-moving object has a high speed and covers a relatively large distance in a given amount of time, while a slow-moving object covers a relatively small amount of distance in the same amount of time.
Counterclockwise rotations about the center point where a complete rotation is equal to 1 turn.

Rotational speed is not to be confused with tangential speed, despite some relation between the two concepts.

- Rotational speed

Rotational speed (or angular speed) involves the number of revolutions per unit of time.

- Speed
Speed can be thought of as the rate at which an object covers distance. A fast-moving object has a high speed and covers a relatively large distance in a given amount of time, while a slow-moving object covers a relatively small amount of distance in the same amount of time.

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