With this information, you can calculate the quantity of feet per second 820 miles per hour is equal to.
¿What is the inverse calculation between 1 foot per second and 820 miles per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00083148559 times 820 miles per hour.
Which is the same to say that 820 miles per hour is 1202.6667 feet per second.
Eight hundred twenty miles per hour equals to one thousand two hundred two feet per second. *Approximation
A foot per second is zero times eight hundred twenty miles per hour. *Approximation