[填空题]
A ballplayer catches a ball 3.e0lit(h 33d0jk2 gro(+c bhao0 s after throwing i z/qm t5 gjmkwjm9nm (x:0mi2/t vertically upward. With what speed did he throwmj 0 gi2/jm95 /xw mtmq(mnzk: it, and what height did it reach? m/s (Round to the nearest integer) m