limit that slows you down (5)
I believe the answer is:
speed
(Other definitions for speed that I've seen before include "Rapidity - amphetamine" , "A devilish quick driver?" , "Alacrity" , "Pace or tempo" , "make rapid progress" .)
I believe the answer is:
speed
(Other definitions for speed that I've seen before include "Rapidity - amphetamine" , "A devilish quick driver?" , "Alacrity" , "Pace or tempo" , "make rapid progress" .)