CALF-ModernGolfer.cs

public class ModernGolfer
  : IModernDriver<ModernGolfer>
{
  public static void Drive(IEnumerable<ModernGolfer> modernGolfers)
  {
    foreach(var modernGolfer in modernGolfers)
    {
      modernGolfer.Drive();
    }
  }

  public void Drive()
  {
    var value = RandomNumberGenerator.GetInt32(100, 150);
    Console.WriteLine($"Club head speed: {value} MPH");    
  }

  public void Stop()
  {
    var value = RandomNumberGenerator.GetInt32(250, 320);
    Console.WriteLine($"{value} yards");    
  }
}