Not sure if I understand right to get to that circular orbital velocity 70% of escape velocity is required so since it's still in orbit it still has that 70% then is 1% enough or do you need the other 30%? And even if it's just 1% that's probably a lot with regard to mass shed from off the pad.

Laser space brooms haha. Or drone ion thrusters that can latch onto things and push them. Not sure if there is an exothermic rocket that is electric with high impulse (not take forever)

The drone thrusters is from the show The Expanse haha