When the ball down the ground effects The ball is crumbling down (Squash), because the force, and when the ball bounced off the floor, floating up in the air. The ball to stretch.
When the ball hits the ground The ball will be flattened (Squash) because of pressure and when the ball bounced off the floor to stretch the ball floating in the air.
When the ball hits the ground, the ball will be crushed down (Squash) because of pressure, and when the ball bounced off the floor ลอยขึ้นไป in the air, the ball will stretch.