Question

plz tell me the formula proof of average speed
plz​

Answer 1

To get average speed, s , divide total distance by elapsed time: Dt. To get elapsed time, t , divide total distance by speed: Ds. To get distance, D , multiply speed times the amount of time: s × t.

Answer 2

$\frac{Total \: Distance \: traveled}{Total \: Time \: taken}$

This the formula for Avg. Speed.