Crossword Clue:

to increase the rate of speed of

AnswerCrossword Clue
BABYSHOWERIncrease in the birth rate?
REVIncrease the speed of
STEPUPIncrease speed.
REVIncrease motor speed
STEPIT... up (increase speed).
ACCIncrease in speed: Abbr.
OPENTHETHROTTLEIncrease engine speed fully
REVIncrease motor speed, briefly
REVUPIncrease, as an engine's speed