Escape Velocity Formula In Terms Of G. Define the escape velocity obtain an expression for the escape velocity of a from the surface of the body 3 Escape velocity, in astronomy and space exploration, the velocity needed for a body to escape from a gravitational centre of attraction without undergoing any further.

Escape velocity tells us the strength of a gravitational field in terms of velocity. Vesc = √ 2gm r v e s c = 2 g m r.