Haste's body slams into the drones and sends him flying back.  And then she sticks herself in the doorway in case it should try to close before the others try to get inside.  She also keeps a look out here hoping that no other drones come along, but if they should she'll at least be somewhat ready.  Finally, if the door is too powerful she won't be able to stop it from closing unless it pins her to the wall.  She doesn't bruise...or break, but then that might make it hard for the others to get inside.  Right now she's just hoping the door won't close...