Slowing down and speeding up are symmetrical, roughly speaking you'd need a rocket similar to the one used to launch New Horizons to put it into orbit around Pl

Slowing down and speeding up are symmetrical, roughly speaking you'd need a rocket similar to the one used to launch New Horizons to put it into orbit around Pluto. So you'd need an enormous rocket to send all of that to Pluto, which is beyond our current technology and budget limits.