Remove unused variables

html/images/space.svg

@@ -218,12 +218,6 @@ const maxSpeed = 100;
 const drawCollisionLines = false;
 
 let previous, zero, frameCount = 0;
-// let position = [0, 0]; // meters
-// let velocity = [0, 0]; // meters per second
-// let acceleration = [0, 0]; // meters per second per second
-let position; // meters
-let velocity; // meters per second
-let acceleration; // meters per second per second
 let rotate = 0;
 
 let mult = 10000;