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Is 0.00024 times the speed of light as fast as The Speed of Sound?

It's about 200 times as fast as The Speed of Sound
The speed of The Speed of Sound is about 0.000001140 times the speed of light.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 0.000001140 times the speed of light. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 0.000004990 times the speed of light to 0.00000520 times the speed of light in water, depending on its salinity.
There's more! See other comparisons to 0.00024 times the speed of light...