4 ms·You need mass to accelerate. Not just electricity.by ramraj07 5y agoYou need mass to accelerate. Not just electricity.a_t48 5y agoJust turn the energy into mass, duh.cygx 5y agohttps://en.wikipedia.org/wiki/Photon_rocket https://en.wikipedia.org/wiki/Photon_rocketnetjiro 5y ago> You need mass to accelerate. * momentum , impulse , force