So for that millisecond, or however long it takes you  to react, you're still pushing, and that unbalanced force  causes an acceleration, and that is the plunge.
Takže po tuto milisekundu, nebo jakkoliv dlouho to trvá než zareagujeme, stále tlačíme ne vrták a tato nevyvážená síla způsobí zrychlení a vrták se propadne.