For example, let's say that we need to find the acceleration that a car experiences as its velocity changes over two seconds. If the car weighs 1,000 kilograms, starts moving at 9 m/s and ends at 22 m/s, we can say that v0 = 9 m/s, v = 22 m/s, m = 1,000 t = 2 s. As noted above, the standard acceleration equation is a = (v - v0/t - t0). Note that this doesn't take the object's mass into account, so we can ignore the fact that the car weighs 1,000 kg.
Thus, we would solve as follows: a = (v - v0/t - t0) = ((22 - 9)/(2 - 0)) = (13/2) = 6.5 m/s2