When a pall of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is

• A. below a certain minimum value irrespective of amour of water In the pail
• B. above a certain minimum value irrespective of amount of water in the pail
• C. above a certain minimum value depending on amount of water in the pail
• D. below a certain minimum value depending on amount of water in the pail