Choose the letter for the acceleration of the ball during the upward motion after it is released. a) the acceleration is in the negative direction and constant. b) the acceleration is in the negative direction and increasing. c) the acceleration is in the negative direction and decreasing. d) the acceleration is zero. e) the acceleration is in the positive direction and decreasing. ea) the acceleration is in the positive direction and increasing. ea) the acceleration is in the positive direction and constant