"Fairing reentry on the ViaSat-3 mission was the hottest and fastest we've ever attempted. The fairings re-entered the atmosphere greater than 15x the speed of sound, creating a large trail of plasma in its wake" https://twitter.com/SpaceX/status/1653509582046769156 15 x speed of sound = 5145 m / s = 18522 Km / h
absolutely awesome - words fail me - I am not sure about timeline for actual human use, but I do hope I get to see it used in a meaningful way