With this information, you can calculate the quantity of feet per second 688 miles per hour is equal to.
¿What is the inverse calculation between 1 foot per second and 688 miles per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0009910148 times 688 miles per hour.
Which is the same to say that 688 miles per hour is 1009.0667 feet per second.
Six hundred eighty-eight miles per hour equals to one thousand nine feet per second. *Approximation
A foot per second is zero times six hundred eighty-eight miles per hour. *Approximation
