4 ms·
Specifically, you need to be moving approx 10 km/s which 22,000 mph or mach 30.
by jvanderbot 2y ago
Specifically, you need to be moving approx 10 km/s which 22,000 mph or mach 30.
- laverya 2y agoYou only need to be moving ~7.5-8km/s, but getting to orbit tends to take 9.5-10km/s of total delta-v due to needing to ascend, aerodynamic drag, and other losses.