The motion of a particle is described in the velocity vs. time graph shown in the figure. Over the nine-second interval shown, we can say that the speed of the particle
A) only decreases.
B) increases and then decreases.
C) remains constant.
D) decreases and then increases.
E) only increases.

Question

The motion of a particle is described in the velocity vs. time graph shown in the figure.  Over the nine-second interval shown, we can say that the speed of the particle
A) only decreases. 
B) increases and then decreases. 
C) remains constant. 
D) decreases and then increases. 
E) only increases.

Quizplus · Accepted Answer

The Answer of The motion of a particle is described in the velocity vs. time graph shown in the figure.  Over the nine-second interval shown, we can say that the speed of the particle
A) only decreases. 
B) increases and then decreases. 
C) remains constant. 
D) decreases and then increases. 
E) only increases.

The Motion of a Particle Is Described in the Velocity