It depends on the runner.
90-100 mph
5.3 seconds for 100 yards.
20 mph
12.7841mph
Assuming the same average rate of travel, since 100 yards is 0.9144 times the size of 100 metres, 10.8 seconds for 100 metres would correspond to 10.8 x 0.9144 = 9.87552 seconds for the 100 yards.
100 yards west
There are 3600 seconds in one hour. Therefore, 100 yards per second is equal to 100 x 3600 = 360000 yards per hour. There are 1760 yards in one mile. Therefore, 360000 yards per hour is equal to 360000/1760 = 204.54 recurring (that is, 204.545454...) miles per hour.
100 yards = 91.44 meters.
100 Yards
76% of 100 yards= 76% * 100= 0.76 * 100= 76 yards
100 meters = 109.36 yards (rounded)