Significados de zipping off en inglés

Great-thenwhat did you have to go zipping off to Earth for?

Not because Father had just abandoned him-Fatherwas always zipping off somewhere-butbecause Father had never spoken to Lem that way.

I come up and see this flying saucer, you know, one of those drone things at the end of my driveway, zipping off.

The last thing he wanted was to make a turn out on the road and see the trailer uncouple and go zipping off alone.