You've got powered fullerene armor, Aardy. So the crates outmass you three-to-one? Big deal. You can take 'em.
The grav-catch at this end drops their relative speed from twenty-something meters per second to zero. Stand right on that spot and the package will go wherever you push it, easy-sleazy.
Okay, fine. I'll try it.
Wait. . . What happens if the catcher powers down?
We'll find out how good your armor is.