With this information, you can calculate the quantity of feet per second 688 knots is equal to.
¿What is the inverse calculation between 1 foot per second and 688 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00086116832 times 688 knots.
Which is the same to say that 688 knots is 1161.2132 feet per second.
Six hundred eighty-eight knots equals to one thousand one hundred sixty-one feet per second. *Approximation
A foot per second is zero times six hundred eighty-eight knots. *Approximation
