[admash]

That was such a delightful fact that I had to source it. Tragically, it is not true.

Gee, K. L., Mathews, L. T., Anderson, M. C., & Hart, G. W. (2022). Saturn-V sound levels: A letter to the Redditor. The Journal of the Acoustical Society of America, 152(2), 1068-1073.

https://web.archive.org/web/20220831190741id_/https://asa.sc...

"While this peak level represents acoustic amplitudes that would propagate nonlinearly to rapidly form shocks and result in perception of jet “crackle” (e.g., see Gee et al., 2016), will it melt concrete or set grass or one’s hair on fire? It will definitely not."

[mrchucklepants]

The lead author of this paper is a friend of mine and an expert in non-linear acoustics, particularly jet and rocket noise.