Converter / 25 miles per hour / 100-mph fastballs
How many 100-mph fastballs is 25 miles per hour?
25 miles per hour is roughly a quarter of a 100-mph fastball.
That's roughly
a quarterof a 100-mph fastball
Assuming one 100-mph fastball is 100 mph, by name (161 km/h, if you insist).
Also equal to
The math
One 100-mph fastball is 100 mph, by name, or 161 km/h in metric. 25 miles per hour is 40.2 km/h. Divide one by the other:
40.2 km/h ÷ 161 km/h ≈ 0.25 100-mph fastballs
Yes, we did the math in metric. Someone had to.