An Object Is Moving Along a Straight Line in the Positive

Multiple Choice

An object is moving along a straight line in the positive x direction. The graph shows its position from the starting point as a function of time. Various segments of the graph are identified by the letters A, B, C, and D.

-What was the instantaneous velocity of the object at the end of the eighth second?

A) +7.5 m/s
B) +0.94 m/s
C) -0.94 m/s
D) +1.1 m/s
E) zero m/s