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speed time graph

speed time graph

Author: Amer Albelleh

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Reading a Speed vs Time Graph - acceleration

In the same way that speed = distance divided by time, we can also look at acceleration

as the change in speed over the time that the

change occurred. Both of these quantities can be

thought of as rates of change or ‘slopes’ on a

graph like the one to the left.

When the final speed is, larger than the initial speed, the slope of the line is positive

(upward) and we say that the object is

accelerating. When the final speed is less than the

initial speed, the slope is negative (downward)

and we say that the object is decelerating.