Fixed wake scale for realistic speeds.

#story[21]

src/main/java/seng302/Constants.java

@@ -21,6 +21,8 @@ public class Constants {
     public static final GPSCoordinate finishLineMarker1 = new GPSCoordinate(32.317379, -64.839291);
     public static final GPSCoordinate finishLineMarker2 = new GPSCoordinate(32.317257, -64.836260);
 
+    public static final double wakeScale = 10;
+
     public static final BoatInRace[] OFFICIAL_AC35_COMPETITORS = new BoatInRace[]
             {new BoatInRace("Oracle Team USA", 30.0, Color.BLUEVIOLET, "USA"),
                     new BoatInRace("Land Rover BAR", 23.0, Color.BLACK, "BAR"),

src/main/java/seng302/Model/BoatInRace.java

@@ -4,6 +4,7 @@ import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
 import javafx.scene.paint.Color;
 import org.geotools.referencing.GeodeticCalculator;
+import seng302.Constants;
 import seng302.GPSCoordinate;
 
 import java.awt.geom.Point2D;
@@ -76,7 +77,7 @@ public class BoatInRace extends Boat {
 
     public GPSCoordinate getWake() {
         double reverseHeading = calculateHeading() - 180;
-        double distance = getVelocity();
+        double distance = Constants.wakeScale * getVelocity();
 
         GeodeticCalculator calc = new GeodeticCalculator();
         calc.setStartingGeographicPoint(