Setting on a treadmill (5)
I believe the answer is:
speed
(Other definitions for speed that I've seen before include "The going rate" , "A devilish quick driver?" , "Rate of progress" , "Rate of travel" , "Alacrity" .)
I believe the answer is:
speed
(Other definitions for speed that I've seen before include "The going rate" , "A devilish quick driver?" , "Rate of progress" , "Rate of travel" , "Alacrity" .)