With this information, you can calculate the quantity of knots 870 feet per minute is equal to.
¿What is the inverse calculation between 1 knot and 870 feet per minute?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.11640068 times 870 feet per minute.
Which is the same to say that 870 feet per minute is 8.5910151 knots.
Eight hundred seventy feet per minute equals to eight knots. *Approximation
A knot is zero times eight hundred seventy feet per minute. *Approximation