/// <summary>
/// Calculates distance/s on an orbit by calculating positions now and second in the future.
/// Fairly slow and inefficent.
/// </summary>
/// <returns>the distance traveled in a second</returns>
/// <param name="orbit">Orbit.</param>
/// <param name="atDatetime">At datetime.</param>
public static double Hackspeed(OrbitDB orbit, DateTime atDatetime)
{
var pos1 = OrbitProcessor.GetPosition_AU(orbit, atDatetime);
var pos2 = OrbitProcessor.GetPosition_AU(orbit, atDatetime + TimeSpan.FromSeconds(1));
return(Distance.DistanceBetween(pos1, pos2));
}