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Speed has when distance that an object moves in a given amount of time. Speed is a measure of how fast something is moving. The average speed of an object in a certain time is the distance the object travelled divided by the time.
To find speed ,
where is the distance and is the time that has gone by.
Units of measurement for speedEdit
There are many units of measurement for speed. For example, an object's speed can be measured in
When an object changes speed, it gets faster or slower. If the speed of the object increases, it is called acceleration. If the object gets slower, and the speed decreases, it is called deceleration, or negative acceleration.
Quotations related to Speed at Wikiquote