22.62 miles per hour
There are 100cm in a meter and 3600 seconds in an hour.
(200 meters / 19.3 seconds) x (3,600 seconds/hour) / (1,609.344 meters/mile) = 23.18 mph (rounded)
18.7 miles in 100 seconds = 673.2 miles per hour.
18/45 = 0.4 hour = 1,440 seconds
100 yards in 10 seconds 20.45 miles per hour.
8.726 miles per hour.
36.466 miles per hour
About 70 miles per hour.
100 yards/6.7 seconds = 30.5292 miles per hour (rounded)
(1 mile / 75 seconds) x (3,600 seconds / hour) = 48 miles per hour
200 meters in 36 seconds is equivalent to a speed of approximately 18.18 miles per hour.