The density of the medium through which it is travelling: for example, about 343m/s in air; almost 1500m/s in sea-water.
The words are "speed", "of", and "sound".
they are different words with the same meaning.
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.
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fast
Electric, powerful, fast
they are different words with the same meaning.
Because their words are shorter
fast moving
fast amazing dangerous fantastic animals
rat on a bun
sporty girly manly fast cool
Fast, Slow, Bumpy, Busy, Lonly
Smooth fast flat long short
· funny · fast