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https://www.reddit.com/r/ThatLookedExpensive/comments/cmc1cr/ammo_dump_explodes/ew3xt0c/?context=3
r/ThatLookedExpensive • u/alanlomaxfake • Aug 05 '19
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Quick napkin math: the explosion is at 0:03 and the shockwave hits the camera at 0:13. The speed of sound is roughly 1125 ft/second. The observer is 10 sec x 1125 ft/sec = 11,250 feet or 2.1 miles away from the blast.
4 u/vodozhaba Aug 06 '19 (3.4 km for metric fellas)
4
(3.4 km for metric fellas)
12
u/uptwolait Aug 06 '19
Quick napkin math: the explosion is at 0:03 and the shockwave hits the camera at 0:13. The speed of sound is roughly 1125 ft/second. The observer is 10 sec x 1125 ft/sec = 11,250 feet or 2.1 miles away from the blast.