Find the average speed of cars, pedestrians, and more Often calculating the average speed is simple using the formula \text {speed} = \frac {\text {distance}} {\text {time}}. But sometimes you are given two different speeds used for some... Learn the meaning of average speed in physics with its clear definition, formula, and measurement units. Go through special situations and worked-out examples to understand this topic in an easy and simple way. Formula of Average Speed The formula for average speed is found by calculating the ratio of the total distance traveled by the body to the time taken to cover that distance. The average speed equation is one simple way to determine the average speed of a traveling object. The formula for average speed is shown here and describes how to find average speed.