9) Bubba is working in his barn again. He pulls a heavy crate towards him that is hanging from the ceiling by a 2.33 m long rope. When the rope makes an angle of 17.5\" from the vertical, the crate slips from Bubba's hands. .3) Determine how fast the crate is moving at the bottom of its swing. b) Determine how long Bubba has to wait for the crate to swing back to its original position