"Hyper-" and "super-" sonic

Russia announced progress on "hypersonic" rockets this week.

https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FHypersonic_speed&data=02%7C01%7CCLASSICS-L%40lsv.uky.edu%7C58b6573a0b65497dc1f308d78e4e3cc1%7C2b30530b69b64457b818481cb53d42ae%7C0%7C1%7C637134338985801676&sdata=6qMqYVWDfgJLynk3V%2FaJ%2FGP2UNAZM63Ekiy%2BzyZRHjM%3D&reserved=0

As it turns out, even though the two words in the subject line are identical
<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fen.wiktionary.org%2Fwiki%2F%25E1%25BD%2591%25CF%2580%25CE%25AD%25CF%2581&amp;data=02%7C01%7CCLASSICS-L%40lsv.uky.edu%7C58b6573a0b65497dc1f308d78e4e3cc1%7C2b30530b69b64457b818481cb53d42ae%7C0%7C1%7C637134338985801676&amp;sdata=0itNyhJT8N0JPlgMTXdmOcxoEQK07B43A5lLYiIECqo%3D&amp;reserved=0>, simply
reflecting how various language groups handled the initial h- (Greek *hyper*,
Latin *super*), current technology differentiates them.  I mentioned this
to one smart arms control expert who confirms that the distinction is
"dumb," but added that the Wikipedia article
<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FHypersonic_speed&amp;data=02%7C01%7CCLASSICS-L%40lsv.uky.edu%7C58b6573a0b65497dc1f308d78e4e3cc1%7C2b30530b69b64457b818481cb53d42ae%7C0%7C1%7C637134338985801676&amp;sdata=6qMqYVWDfgJLynk3V%2FaJ%2FGP2UNAZM63Ekiy%2BzyZRHjM%3D&amp;reserved=0> on "-sonic" (including the
news-to-me "transonic") is useful.  Who knows, this might interest students?

Dan