I was watching an XKCD "What-If" video recently and Randal off-handedly mentions the title fact as a given. Upon a further Google search I see explanations about why sound moves faster in liquids than gasses but nothing for my specific question. Is there an intuitive explanation for that fact or is it just one of those weird observable facts with no clear explanation

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[–] 1 point 1 year ago

I think this was experimentally shown by a Youtuber. The speed of sound is a slight oversimplification since there are multiple types (https://www.engineeringtoolbox.com/sound-speed-solids-d_713.html)

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