With this information, you can calculate the quantity of feet per minute 399 knots is equal to.
¿What is the inverse calculation between 1 foot per minute and 399 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 2.4748697e-05 times 399 knots.
Which is the same to say that 399 knots is 40406.168 feet per minute.
Three hundred ninety-nine knots equals to forty thousand four hundred six feet per minute. *Approximation
A foot per minute is two times three hundred ninety-nine knots. *Approximation