Why a Kerbal running at the speed of sound is physically impossible

Jebediah Kerman Runnning... On Minmus.... At The Speed Of Sound - Kerbal Space Program · 5:35 · Video: Scott Manley · Watch at the source

In short: Watch a 26-hour journey across the moon Minmus compressed into a high-speed sprint. This video explores the physics of motion in a vacuum and why certain speeds are impossible to maintain on a lunar surface.

The video features Jebediah Kerman traversing the moon Minmus at a speed roughly equivalent to the speed of sound. However, the creator notes two major physical contradictions: first, because Minmus lacks an atmosphere, sound cannot travel. Second, and more critically, moving at this speed on the surface is impossible because it exceeds the orbital velocity of the moon.

By speeding up the footage 300 times, the video creates a visual paradox where the character moves faster than the physics of the environment allow.

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