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Oh, what a lovely question! Let's paint a happy little conversion here. Running a 100-meter dash in 10.49 seconds is like a gentle breeze, my friend. If we convert that speed to miles per hour, it would be around 22.08 mph, just like a happy little squirrel running through the forest.
This means an average speed of 22.87 miles per hour over the distance of the race.
A 10.49-second 100-meter dash equates to an average speed of 21.32 miles per hour.
Running a 40-yard dash in 4.2 seconds equates to a pace of 19.48 miles per hour.
(100 meters/16 seconds) x (3,600 seconds/hour) x (1 mile/1,609.344 meters) = 13.981 mph(rounded)
To convert the 40-yard dash to miles per hour, we first need to convert yards to miles. There are 1,760 yards in a mile, so 40 yards is equal to 40/1760 = 0.0227 miles. Next, we need to convert the time taken to run the 40-yard dash to hours. If a person runs the 40-yard dash in 4 seconds, this is equivalent to 4/3600 = 0.0011 hours. Finally, to calculate the speed in miles per hour, we divide the distance (0.0227 miles) by the time (0.0011 hours), giving us a speed of approximately 20.64 miles per hour.