A car travels a certain distance along a straight road and on the way must stop

Question

A car travels a certain distance along a straight road and on the way must stop at traffic lights and obey the local speed limits. The Figure shows the distance the car travels as function of time. Choose all the correct answers (i.e., B, AC, BCD . . .) which apply to the speed of the car.

A) The speed at 2.5 min is greater than at 6.4 min.
B) At 2.5 min, the speed is as high as it gets.
C) The speed at 2.1 min is less than at 2.4 min.
D) The speed doesn't change from 3 to 3.7 min.
E) The speed is zero at 0.5 min and 3.7 min.

Please explain

Thanks

Explanation / Answer

C) The speed at 2.1 min is less than at 2.4 min.

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