Driver A is cruising along enjoying the fall colors. Driver B starts her car at the instant he passes her. Their velocities are shown as functions of time in the graph below. At what instants in time on the graph are drivers A and B side by side?

a.
0 s, 2 s
b.
0 s, 4 s
c.
2 s, 4 s
d.
2 s, 6 s
e.
4 s, 6 s
Question 2Five 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.