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the claim
A free-falling human can exceed the speed of sound
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
1 source for · 0 against

Historical records document skydivers breaking the sound barrier during high-altitude free-falls without mechanical assistance.

Evidence for · 1
An Analytical Solution to the Extreme Skydiver Problem
2019 · cited by 3
On August 16, 1960, at 7:12 a.m., United States Air Force Captain Joseph W. Kittinger Jr. looked out from his balloon gondola at a height of over 19 miles and… jumped. Kittinger’s altitude and free-fall speed record lasted until Felix Baumgartner’s jump from a height of nearly 24 miles on Oct. 14, 2012. Baumgartner broke several records, including for vertical speed, where he was the first human to break the sound barrier without assisted power.
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The analysis

rails:sufficiency:supported:single_source:for=1+0p:against=0+0p | v55:sufficiency

Everything we examined (1)
This check searched the claim as stated. It did not run a separate search for evidence against it.
  1. An Analytical Solution to the Extreme Skydiver Problempeer-reviewedno side taken
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held for human review07 Aug 2026
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