___ of speed (4)
I believe the answer is:
rate
(Other definitions for rate that I've seen before include "See 12" , "Charge per unit" , "Reckon; scold" , "Think highly of; criticise severely" , "Rank; speed" .)
I believe the answer is:
rate
(Other definitions for rate that I've seen before include "See 12" , "Charge per unit" , "Reckon; scold" , "Think highly of; criticise severely" , "Rank; speed" .)