This is because speed refers to distance divided by time and it expression is below. An easy way to remember the formulae is to put distance speed and time or the letters D S and T into a triangle. 1 kmhr 518 metresecond.
Basicsspeed distance time speed distance timedistance speedtime distance speed timetime distance speed.
Average Speed The average speed is given by total distance divided by total time taken. Distance Speed. The formula for distance if you know time duration and the average speed is. 1 Unit of speed time and distance should be in the same metric system.