Why do balloons make a ‘bang’ sound when they’re popped?

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When I watch a balloon pop in slow motion, the material appears to tear and contract instead of exploding. It seems like if it were to make any sound then that sound should be a tearing sound.

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Anonymous 0 Comments

Yes the balloon itself tears back and contracts small, but the air that was pressurized inside suddenly has nothing keeping it in place so it rapidly expands

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