Three identical rods A, B and C each hav...

Three identical rods `A`, `B` and `C` each having length `l` are in shape of letter `H` as shown in the figure and free to move in vertical plane. Find he velocity of `A` at the lowest position when the system is disturbed slightly

`sqrt(gl)`

`sqrt((9gl)/(2))`

`sqrt(9gl)`

`sqrt(5gl)`

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