Many small sailboats use a passive bailing system: there is a plug in the bottom of the boat that can be opened to drain water out of the boat. This works only when the boat is moving, because only then is the pressure under the boat less than air pressure, by Bernoulli’s equation. Consider a boat whose bailing plug is located 3 cm below the surface of the water. What is the minimum speed the boat must have so all the water drains out of the boat?