Article from French magazine Paris Match.
Trajectory analysis (map included) seems to show the front end of the plane (cockpit + business) was indeed detached at missile impact and falled down on ~ original trajectory, while the bigger middle/rear part (eco + wings + tails) veered left.
Exclusif-Notre enquête sur les lieux du crash. Comment le MH17 a été abattu - Paris Match
It's in French but I guess with images provided and Google Translate anyone can manage.
(click on picture for larger version)
Last edited by AlphaZuluRomeo; 24th July 2014 at 19:38.
Reason: image too big for forum, providing a smaller one