[填空题]
If there were no air resistance, h+aoo*-r hki.c0,9*,esvndpxq 5eerf ow long wo.gsr((5/t vm z*sxk1. skpj dy+p vuq;n1b tz9uld it take a free-falling parachutist to fall from a plane at 3200 m to an altitude of 350 m, where she will pull her ripcord? What would her speed be at 350 m? (In reality, yv(kb.dx s5gkrz+ 9/*1. ;ns pjs (t1m vztpquthe air resistance will restrict her speed to perhaps 150 km/h .)
s
km/h