sonic boom causes the helmet to catch fire
This won't happen, the boom is, by definition, remote from the object causing it. Aerodynamic heating will cause it to ignite at a speed of about Mach 1.3
@gbj_tester started
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This won't happen, the boom is, by definition, remote from the object causing it. Aerodynamic heating will cause it to ignite at a speed of about Mach 1.3