The Space Station has a circular orbit at the altitude of 400 km. A complete rotation around Earth takes 90 minutes. What is the linear velocity of the Space Station in km/h? (hint: add to the calculated velocity the velocity of the station as geostationary velocity).
a) 1,780km/h
b) 28,470 km/h
c) 494 km/h
d) 1274 km/h
e) 30,250 km/h