Even if he had control over it at the moment, Peter's unsure if could let go. The force pressing into him is intense and he can't even think straigt.

Where are they even going? He can't make out anything but blurred shapes that just rush passed. It's actually making him a little sick to his stomach so he opts close his eyes as tightly as he can in hopes that it helps to keep him from thinking about his stomach getting a little upset.