i have had a golf ball @ MACH 1.0 + it deffo created a supersonic " crack " - with a 2.5m barrel - 300 bar silicone sheet " waqdding " and 05ml of
mineral oil all attempts to film what happened to the balls - were a fail - and we never found any trace of the ones we fired at a distance - but
we could blast one through a 3.2mm steel plate at 20m
turning the pressure down - we had " reliable " accuracy - out to 1200m and they embedded themselves in fairways greens and bunkers -
I've never played the game but I hit a golf ball with a heavy club so hard I never saw where it went.
Its probably common I guess they are tiny and blend in with the sky easily.
I might have been a bit lucky to connect with it like that with no practice other than mini golf.
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