Speed (of knots?) (4)
I believe the answer is:
rate
(Other definitions for rate that I've seen before include "Price - class - speed" , "Value - scold" , "Give a value to something" , "Amount measures against another" , "Rank; fee" .)
I believe the answer is:
rate
(Other definitions for rate that I've seen before include "Price - class - speed" , "Value - scold" , "Give a value to something" , "Amount measures against another" , "Rank; fee" .)