At one instant a bicyclist is 70 m due east of a park's flagpole, going due south with a speed of 15 m/s. Then, 19 s later, the cyclist is 65 m due north of the flagpole, going due east with a speed of 14 m/s. For the cyclist in this 19 s interval, find each of the following: Displacement, Average Velocity, Average Acceleration