The average speed is 20 miles per hour and 29.333 feet per second
What is speed?
Speed is defined as the ratio of the time distance travelled by the body to the time taken by the body to cover the distance.
The average speed of 1 mile per 3 minutes is 20 miles an hour
1 mile an hour = 1.467 feet per second
20 miles an hour = 29.333 feet per second
Therefore the average speed is 20 miles per hour and 29.333 feet per second
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