Eventually, Vespa's grip on you slackened, allowing you to push her off of you at last. She hit the floor with a thud, but flailed her legs about, trying to push herself back up, not down just yet. Acting as quickly as you could, you moved over to grab the torn sheet from the ceiling, yanking them hard as you can to pull it free. It ripped, but you got enough of it that you could fulfill your needs.