It depends on what you're talking about. In the ocean, it is the current but just in general it would typically be rapids.
The outside on a bend would have the fastest moving water.
trout, limpit and stone fly nymphs
A dolphin is a fast moving animal if you think about it.
there are no slow moving photons, they move at speed of light.
Fast-moving water can carry more sediment than slow-moving water.
It's a slow moving semiliquid.
moving firework
The Nile cataract is known as shallow waters in a river. This is usually seen in white or fast moving waters.
The fast moving currents.
Animals adapt to fast-flowing water when their environment is characterized by such waters.
The ocean current Duh
express lane
Hooks and Suction cups (yes I know the weirdest answer)
fast moving
Fast moving water.
fast
call a doctor or get to the hospital fast
moving fast in Japanese is "subayai"
A dolphin is a fast moving animal if you think about it.