/biz/ - Business & Finance

>>23452364
forgot to reboast pic

>>23451788
You are a stupid nigger who thinks he knows way, way more than he does. Sit and be educated.

Rockets are governed by Tsiolkovsky's rocket equation. Pic related. Δv is literally change (delta) in velocity (v). The unit is m/s. That's because it reflects the possible change from the current velocity the rocket is capable of, in meters per second. So for example, if you're travelling at a leisurely 7400m/s, and have 2000m/s dV left over, you can accelerate to 9400m/s by accelerating prograde, 5400m/s by accelerating retrograde, or you can change your inclination by a certain amount, etc.

An object in low earth orbit must move at a speed of approximately 7400m/s. There is no cheaper orbit. That's an equatorial low orbit. The speeds required for any other orbit is higher.

SpaceShip Two is capable of maybe 1500m/s of dV. Get fucked.