2. Use the angular velocity graph to answer the questions. (rad/s) (a) Calculate the average angular acceleration from fas to f=2s. 250- 200 150 100- 50 0+ 01234567 (b) Write a function for the angular velocity versus time behavior for the interval f=0s to f-2s. (c) Calculate the angular displacement from t=0s to f=4s. (d) Write a function for the angular position of the object from -4 s tot 7 s. Include the initial angular position of the object. (d) Describe the motion of the rotating object. (s)