halo 3 help?

[al9600mc]

on the last bit i think driving johnstons warthog with the floor falling down i can get to the bit that i have to get out and run but as soon as i get to other side i cant get to the friget as all the floor has falling and i die please help i am going mad?????

 

[jon]

you dont get out and run...the game ends when u jump into the plane thing

 

[jon]

you dont get out and run...the game ends when u jump into the plane thing