![]() ![]() In other words, if given escape velocity, the object will move away from the other body, continually slowing and will asymptotically approach zero speed as the object's distance approaches infinity, never to return. Once escape velocity is achieved, no further impulse need be applied for it to continue in its escape. Given escape velocity perpendicular to a massive body, the object will move away from the body, slowing forever and approaching but never reaching zero speed. More generally, escape velocity is the speed at which the sum of an object's kinetic energy and its gravitational potential energy is equal to zero. ![]() The escape velocity from Earth is about 11.186 km/s ( Template:Convert/round km/h Template:Convert/round mph) at the surface. In physics, escape velocity is the minimum speed needed for an object to "break free" from the gravitational attraction of a massive body. Space Shuttle Escape velocity (disambiguation) ![]()
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