Go very fast (5)
I believe the answer is:
speed
(Other definitions for speed that I've seen before include "Dispatch" , "Rate of movement" , "Rtae of progress" , "Rate of travel" , "Film sensitivity to light" .)
I believe the answer is:
speed
(Other definitions for speed that I've seen before include "Dispatch" , "Rate of movement" , "Rtae of progress" , "Rate of travel" , "Film sensitivity to light" .)