Not to rain on your parade but, sound does travel faster in solids and its slowest in air and then in vaccum it doesn't really travel as sound needs matter to travel unlike light.
Sci-fi · Fixten
Webnovel
Not to rain on your parade but, sound does travel faster in solids and its slowest in air and then in vaccum it doesn't really travel as sound needs matter to travel unlike light.
The Magician of Sound
Sci-fi · Fixten