What is the average y acceleration of the ball during the interval of the first bounce, that is from t=0.85 s to t=0.95 s? What is the average x acceleration of the b...What is the average y acceleration of the ball during the interval of the first bounce, that is from t=0.85 s to t=0.95 s? What is the average x acceleration of the ball during the interval of the first bounce, that is from t=0.85 s to t=0.95 s? At t=5.0 s, what is the direction of the velocity vector and what is the direction of the acceleration vector for the red point?