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The graph below represents the velocity ...

The graph below represents the velocity `vs.` time graph for a car.

(A) During which intervals is the car at rest?
(B) During which intervals is the car moving a constant nonzero velocity ? State the velocity at each of these intervals
(C) There are two intervals during which the car is accelerating. Find the acceleration in each of these intervals.
(D) Sketch the acceleration `vs`. time garph that corresponds to the motion of the car form `0s` to `14s`.

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