Can anyone me with this? acceleration is defined as the rate of change for which factor? a. time b. velocity c. position d. displacement an object is accelerating if there is a change in speed and which factor? a. time b. position c. direction d. displacement what is the acceleration of an object if it goes from a velocity of +25 m/s to rest in 5.0 seconds? a. –25 m/s2 b. –5 m/s2 c. +5 m/s2 d. +25 m/s2 (1 pt) taking the direction west to be positive, and east to be negative, what is the average acceleration of a jet ski that goes from rest to 10 m/s west in 4 seconds? a. 2.5 m/s2 b. 0.4 m/s2 c. –0.4 m/s2 d. –2.5 m/s2 which moving body has no acceleration? a. a satellite orbiting at a constant speed b. a person running once around a track at a constant speed c. a car making a turn at a constant speed d. a person running 100 m straight across a field at a constant speed