I imagine he was leaning over the engine bay, maybe holding the drill in one hand. So in that specific scenario, the tool was more powerful than he could contro

I imagine he was leaning over the engine bay, maybe holding the drill in one hand. So in that specific scenario, the tool was more powerful than he could control. But that same drill might be asked to bore a large hole in a piece of wood, and the user would anticipate the amount of leverage they need to control it. Two hands, arms close to body, etc.