With this information, you can calculate the quantity of feet per second 990 knots is equal to.
¿What is the inverse calculation between 1 foot per second and 990 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00059846849 times 990 knots.
Which is the same to say that 990 knots is 1670.9318 feet per second.
Nine hundred ninety knots equals to one thousand six hundred seventy feet per second. *Approximation
A foot per second is zero times nine hundred ninety knots. *Approximation
