Acceleration Formula : The formula for calculating acceleration depends on the information available to you from the question. For instance, we use the acceleration formula , a = v / t when acceleration , velocity and time are involved. We also use the acceleration formula , a = f / m in the case of force, mass, and acceleration . Another prominent formula that can help us to determine acceleration is a = Δv / Δt which can also be written as a = (v – u) / t. Acceleration is a vector quantity ... According to Newton's second law, acceleration is directly proportional to the summation of all forces that act on an object and inversely proportional to its mass. Acceleration Formula Mathematically, the change in the velocity of an object in motion is defined as, (v - u) where v and u are the final and the initial velocities. Acceleration is the rate of change in the velocity of an object as it moves. You can calculate this rate of acceleration , measured in meters per second, based on the time it takes you to go from one velocity to another, or based on the mass of an object. [1] Define Newton’s Second Law of Motion.