With this information, you can calculate the quantity of feet per minute 669 knots is equal to.
¿What is the inverse calculation between 1 foot per minute and 669 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 1.4760434e-05 times 669 knots.
Which is the same to say that 669 knots is 67748.688 feet per minute.
Six hundred sixty-nine knots equals to sixty-seven thousand seven hundred forty-eight feet per minute. *Approximation
A foot per minute is one times six hundred sixty-nine knots. *Approximation