https://physics.stackexchange.com/questions/608372/if-a-jet-engine-is-bolted-to-the-equator-does-the-earth-speed-up https://physics.stackexchange.com/questions/

https://physics.stackexchange.com/questions/608372/if-a-jet-engine-is-bolted-to-the-equator-does-the-earth-speed-up https://physics.stackexchange.com/questions/608372/if-a-jet-... It would have to be rockets. My napkin says 2B starship boosters and 250K tons of propellant per second should give us around 1 second per year.