He applied the throttle to try and make the run around the outside work after watching Rosberg go deep but it was too late, he should have backed out or cut back on Rosberg.
He had the right to be on the race track, it's up to Rosberg to give him space.
Rosberg takes way too long to turn in and effectively blocked the track. He just drives straight past the apex with a straight wheel. You can't do that.