# How to calculate acceleration    So far I have explained two specific types of acceleration, average and instantaneous, and went over how to calculate acceleration in these two cases. The best way to understand these concepts is to do practice questions. If you have a physics textbook, you can flip to the relevant chapter and do some of the questions they have at the end. How to Calculate Acceleration. Related Book. Physics I For Dummies, 2nd Edition. By Steven Holzner. In physics terms, acceleration, a, is the amount by which your velocity changes in a given amount of time. There's another way to calculate acceleration based on Newton's laws. According to the first law, a body remains in a state of uniform motion unless acted upon by a force, and the second law expresses the mathematical relationship between the magnitude of the force (F) and the acceleration (a) a body of mass m experiences because of that force. Acceleration is a measure of how quickly the velocity of an object changes. So, the acceleration is the change in the velocity, divided by the time. Acceleration has a magnitude (a value) and a direction. The direction of the acceleration does not have to be the same as the direction of the velocity How to calculate acceleration for a trapezoidal move profile. A purely trapezoidal move profile uses 1/3 of the total move time for acceleration, 1/3 for constant velocity, and 1/3 for deceleration: Similarly, 1/3 of the total move distance is covered during acceleration. To learn how to calculate acceleration from a force, read the article! Did this summary help you? Yes No. Article Info. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Acceleration has the dimensions of velocity (L/T) divided by time, i.e. L T −2. The SI unit of acceleration is the metre per second squared (m s −2); or metre per second per second , as the velocity in metres per second changes by the acceleration value, every second. Other forms How To Calculate Acceleration. Source(s): . 0 0 0. leatrice. 4 years ago. Acceleration is a function of distance and time. If something is accelerating, it is covering more distance for each unit of time. Speed or velocity is distance/time.