hyperpaced
overspeedy
hell-for-leather
lightspeed
overspeedily
speed of light
hyperfast
mile-a-minute
superfast
faster than Minute Rice
blistering
blazing
like shit through a goose
bullet
hyperspeed
uptempo
fast-moving
lightning-quick
hyperaccelerated
good lick
like a rat up a drainpipe
fleet
swift
full fling
prestissimo
speedingly
feverishly
hit-out
speed merchant
rollercoastering
superspeed
shoot
thunder
speed
zip
superspeedy
travel rapidly
hurry
as fast as one's legs could carry one
precipitate
whip
hurrying
fizzing
splitting
with a quickness
rushy
volley
belt
scurrying
breakneck