Question

what do you mean by average speed what are its unit​

Answer 1

Answer:

Average speed is measured in units of distance per time. Common units include miles per hour (mph), kilometers per hour (kph), meters per second (m/s), or feet per second (ft/s). ... He used the distance traveled by the car (45 miles) divided by elapsed time (1.25 hours)

Answer 2

The average speed of an object is the total distance travelled by it per unit time. Its SI unit is m/s