Speed = Distance divided by Time
1760 yards = 1 mile.
3600 seconds = 1 hour
40/1760 divided by 4.8/3600 = 17.0454545
Answer: about 17 mph
TIP: put "4.8 seconds / 40 yards in mph" into Google, and it will calculate it for you.
Running a 40-yard dash in 4.2 seconds equates to a pace of 19.48 miles per hour.
141.672 miles an hour
55 kilometers an hour=34.1754156 miles per hour
About 62 miles.
Eighty. That is what "miles per hour" means. It means how many miles you will go in one hour, if you keep going at that speed.
19.3 miles per hour.
13.4 miles per hour.
Running a 40-yard dash in 4.2 seconds equates to a pace of 19.48 miles per hour.
(50 yards/6.6 seconds) x (3,600 seconds/hour) / (1,760 yards/mile) = 15.496 miles per hour (rounded)
A pace of 18.6 mph is required.
it will make toast many faster - only in like 5 secunds
4.5 seconds in the 40-yard dash is a pace of 18.18 mph
60 miles
70 miles
75 miles per hour.
70 miles an hour
141.672 miles an hour