The Speed to Overtake calculator computes the average speed required to overtake a vehicle based on the speed of the vehicle, the head start, and the total distance.
INSTRUCTION: Choose units and enter the following:
Speed to Overtake (V1) The calculator returns the speed in miles per hour. However, this can be automatically converted to compatible units via the pull-down menu.
V1 = (d•V2) / (d - h)