2 seconds
100 meters per 15.00 seconds = 14.91 mph
100 meters / 11 seconds = 20.336 mph (rounded)
It would convert to 10.5 seconds for 100 meters.
100 meters/14.00 seconds (1 mile/1609 meters)(3600 seconds/1 hour) = 15.982 miles per hour
11.99 seconds because 100 yard dash is 91 meters. 100 meters/91 meters = 1.09 Then do 11 seconds x 1.09 = 11.99 seconds. If you round it, you basically be getting a 12 second 100 meter dash.
100 meters in 9.2 seconds is 24.3 miles per hour.
11.05 seconds
(100 meters/9.98 sec) x (1 mile/1,609.344 meters) x (3,600 seconds/1 hour) = 22.4 mph
If you traveled 100 meters in 30 seconds, then you would be traveling at 3.333... meters per second, or 200 meters per minute, or 12 kilometers per hour (7.45 miles/hour).
Your time in the 100m would be 13.85 seconds.
22.3693 mph
Covering 100 meters in 9.78 seconds (10.225 meters per second) equals about 22.87 mph.