2. A vertical chain has a length L and a mass M. It is released with the bottom just touching a table as shown in the right figure. The force on the table varies with time. What is the maximum force on the table?
(A) Mg
(B) 2Mg
(C) 2.5Mg
(D) 3Mg
(E) 4Mg
where g is the gravitational acceleration.

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