Peregrine falcon diving from high altitude

@The falcon is said the bird able to produce the most fast speed. According to the preservation law of the mechanical energies, the speed will be 200 km/h at the altitude difference of 200 m. To get the speed of 100 m/s, it will be necessary at least the altitude difference of 500 m.
(Prod. Apr. 1999, full-scale, No.1)