Improve naming of variable

Author: NoahAndrews

src/main/java/frc/robot/Constants.java

@@ -76,8 +76,8 @@ public static final class ModuleConstants {
     public static final double kDrivingMotorReduction = 990 / (kMotorPinionTeeth * 15);
     public static final double kWheelDiameterMeters = 0.0762;
     public static final double kWheelCircumferenceMeters = kWheelDiameterMeters * Math.PI;
-    public static final double kDriveTrainFreeSpeedRps = (kDrivingMotorFreeSpeedRps * kWheelCircumferenceMeters)
-        / kDrivingMotorReduction; // calculated from the motor free speed
+    public static final double kDriveWheelFreeSpeedRps = (kDrivingMotorFreeSpeedRps * kWheelCircumferenceMeters)
+        / kDrivingMotorReduction;
 
     public static final double kDrivingEncoderPositionFactor = (kWheelDiameterMeters * Math.PI)
         / kDrivingMotorReduction; // meters
@@ -93,7 +93,7 @@ public static final class ModuleConstants {
     public static final double kDrivingP = 0.04;
     public static final double kDrivingI = 0;
     public static final double kDrivingD = 0;
-    public static final double kDrivingFF = 1 / kDriveTrainFreeSpeedRps;
+    public static final double kDrivingFF = 1 / kDriveWheelFreeSpeedRps;
     public static final double kDrivingMinOutput = -1;
     public static final double kDrivingMaxOutput = 1;