Throttle down

Therefore, before declutching, throttle down your engine.

"You can feel it in here when it throttles down," noted Aldrin. "Better than the simulator."

She had throttled down the chagrin the loss had caused her, observant of conventions, leaving it until decay had robbed the debtor of the right to the respect that must be given those that are Lying Dead.

"Yes, Madame," Elena replied, throttling down her joy. They still might change their minds—something might happen.