With this information, you can calculate the quantity of knots 990 feet per minute is equal to.
¿What is the inverse calculation between 1 knot and 990 feet per minute?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.10229151 times 990 feet per minute.
Which is the same to say that 990 feet per minute is 9.7759827 knots.
Nine hundred ninety feet per minute equals to nine knots. *Approximation
A knot is zero times nine hundred ninety feet per minute. *Approximation