[填空题]
A ballplayer catches a balld7jlz/ltmj*fl92f w / 3.0 s affr/fp ql *jk5;o(;y dxn;sw5 ater throwing it vertically upward. With what speed did he throw it, and whax*;fs5q/wya;j( n ofk5d; lprt height did it reach? m/s (Round to the nearest integer) m