This question came to mind while playing TIE fighter the other night for me. I was just trying to imagine; if you're close in and that target were to cloak, then juke away, it would be very difficult to stay glued to that guy. It is hard enough keeping a non-cloaking ship like an A-wing in front of you when your radar bubbles get damaged.
I don't think it is like grappling at all. If that guy disappears and jukes, he can build significant distance pretty quickly. Though of course you could pick him back up and run him down again.
Really I think the bigger problem is that with the dogfighting rules as they are, there is no way to escape no matter how massive your speed advantage is. If you were in an A-wing and were surprised and jumped by a Phantom with a better pilot at the stick (or a more extreme example, a player in a TIE Defender jumps a bad guy with several heroic levels, or all of them, specialized to be a hotshot, flying a B-wing)...you can't run, can't fight back. You just eventually die. You can't disengage, even if you should be able to just take a free hit and do some all out movement to try and get away.