3 ms·
Wanted to add that while it is hard to judge the speed, if it would happen to be subsonic then I guess it technically is a pressure front and not a shock front
by mickronome 10y ago
Wanted to add that while it is hard to judge the speed, if it would happen to be subsonic then I guess it technically is a pressure front and not a shock front as it is when supersonic, if I've understood the distinction correctly.