It didn't.
This is how a Zaku moves
http://youtu.be/7iIogZju9dw?t=2m26s which is just about a single curve and a straight line.
This is how Unicorn moves
http://youtu.be/88Lo-FgLRGo?t=4m35s which is like 4 or 5 greater than 90 degree directional changes in a span of a second. Presumably the pilot is turned into jello in the process.
My good sir, have you seen any anime by a director named Yoshiyuki Tomino? If you haven't, I would like to inform you that he inserts slapstick comedy into all of his works rather often, no matter how dark the tone of the show is.