Refer to Exhibit 9-1 Below $\pi$ C)32 $\pi$ D)40 $\pi$ E)64 $\pi$

Refer to Exhibit 9-1 below.Exhibit 9-1 The figure below shows a graph of angular velocity versus time for a woman cycling around a circular track. What is her angular displacement (in rad) in the 16-minute period shown in the graph?

A) 0
B) 16 $\pi$
C) 32 $\pi$
D) 40 $\pi$
E) 64 $\pi$