How is it 2.4?

'1\"\"'"'\"'"' d-U - I A high jumper attempts to set a school record of 2.28m. His vertical velocity at takeoff is 4.2 m/s and his center of gravity is 1.5 m high. If his center of gravity is greater than or equal to the bar height he'll break the record. Does he do it? What is his height on the jump? ' l ' Correct