We are told explicitly that the warp engines and auxiliary power were off -line. From visual evidence, I can infer that the impulse engines are off-line because they are not "lit" and an inspection of the damage reveals that the deck has been hit.
(For the record, I recognize that you don't like me. Well, I don't like you, either.)
Well, I'm not sure what brought that parenthetical remark on, but it really doesn't belong here.
I'll grant that Admiral Buzzkill
can sometimes be a bit rough on ideas/opinions/claims expressed by others, but bear in mind that you are not your posts, your posts are not you. If he's been less than complimentary toward one of yours (or even more than one) that's no reason to take any of it personally.