I suspect it'd be hard to find a tether material that could take that kind of force without breaking. There could also be some strange dynamics as the projectil

I suspect it'd be hard to find a tether material that could take that kind of force without breaking. There could also be some strange dynamics as the projectile and payload would become like bolas[1]. 1: https://en.wikipedia.org/wiki/Bolas https://en.wikipedia.org/wiki/Bolas