Explanation:

Second image is the 90 degree clockwise rotation with ball color changes to black and one line is adding  similarly third image is also 90 degree clockwise rotation with ball color to its original as of first image i,e white and one line is adding, for fourth image is also rotation of 90 degree with ball color change to black and one line adding , For final image same process will follow i,e 90 degree rotation with ball change to original position and color with adding one line extra so option 2 is the correct answer.