please solve with matlab code

A spacecraft on a hyperbolic trajectory around the earth has a perigee radius of rp= 6600km and perigee speed of 1.2vesc. a. How long does it take to coast from =90 to =+90 ? b. How far is the spacecraft from the center of the earth 24 hours after passing through perigee? \{Ans.: (a) 0.9992hr; (b) 656,610km \}