Calculating Change in Velocity from Acceleration-Time Graphs

2. 1D Motion / Kinematics / Calculating Change in Velocity from Acceleration-Time Graphs / Problem 1

The acceleration plotted against time for an object is shown in the graph below. Find the change in velocity of the object from t = 0s to t = 20s.

120 m/s

110 m/s

135 m/s

186 m/s