Modify this code to complete the assignment. Do not delete any of the code. Simply add your code. Goal: move a sprite across the scree at a constant velocity. Requirements Use the starter project when the green flag is clicked set the initial position of the sprite at (-200, 0) make a variable called velocity and click the check box to show the variable on the screen Right click on the variable box and select slider Initiate the movement of the sprite by pressing the space bar, Share your project and post its link to the discussion.