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Acceleration vs. time graphs tell us about an objectâs velocity in the same way that velocity vs. time graphs tell us about an objectâs displacement. The change in velocity in a given time interval is equal to the area under the graph during that same time interval.
Describing the motion of an object is occasionally hard to do with words. graphs help make motion easier to picture, and therefore understand. â¢ Motion is a change in position measured by distance and time. â¢ Speed tells us the rate at which an object moves. â¢ Velocity tells the speed and direction of a moving object. â¢ Acceleration tells us the rate speed or direction changes.