What is the speed with which she lands?

[kokenwa]

A pole-vaulter of mass 60kg vaults to a height of 6.0m before dropping to thick padding placed below to cushion her fall. What is the speed with which she lands?


-I know it has something to do with momentum, but I don't even know where to begin on this one

 

[rock.freak667]

Consider neglecting air resistance and using the law of conservation of energy