The graph shows the acceleration, velocity, and displacement of a marble attached to a metal spring that has been secured to a tabletop. the marble was pulled down to the floor and then released. which is true about the marble's motion? motion and forces a. when acceleration is at a minimum, displacement is also at a minimum. b. when acceleration is at a minimum, velocity is at a maximum. c. when velocity is zero, displacement is at a maximum. d. when velocity at a maximum, acceleration is also at a maximum.