The worm hole is not gravitationally-induced it is electrically-induced.
A worm hole drive is a ‘warp drive’. ‘Holes’ of larger distances correlate to increased relative velocity. It is not a “hole” per se as it is a modification of the space the vehicle occupies to another point in space. The change in location occurs at the speed of light (electricity). The distances between the jumps can represent (in aggregate) a velocity much greater than the speed of light all the while vehicle occupants experience zero inertial effect.
Hmm, I’ll have to read more about this idea, I had only ever heard of traditional worm holes, not electrically-induced ones. Not sure how that would even be possible.