005 /10.0 points A bead slides without friction around a loop- the-loop. The bead is released from a height of 17.9 m from the bottom of the loop-the- loop which has a radius 6 m. The acceleration of gravity is 9.8 m/s2. A 6 m 17.9 m al he What is its speed at point A? he Answer in units of m/s. int oints