Five Motion Diagrams in Which Points Represent the Positions of an Object

Multiple Choice

Five motion diagrams in which points represent the positions of an object at equal time intervals are shown below. Which statement is correct?

A) A has the greatest speed and the greatest acceleration.
B) C has decreasing speed.
C) D slows down and then speeds up.
D) D speeds up and then slows down.
E) E has a greater speed than A.