A water? Question really makes no sense. Please rephrase.
As fast as the water is moving.
Boatercycles (Jetskis) can be fast, depending on how immensely fat the person is, and depending on how much water there is and how fast the engine is designed to go
Depends on how steep the hill is.
it can go faster !
wikianswers.com sucks balllllsss
In water or on land? On land, they are not fast but in water they can be fast.
Go really fast.
25 MPH on land and 2-3mph in water
Maximum upto 30mph
Not possible without traveling over water.
The size, shape, and fins make the fish go fast. Some are build for speed and have special 'fins' on the top.
it dosent go down as fast as temperature water would