A moving stuntman mass 80khg stands on a window ledge 5m above the floor gravving a rope attached to a chalendlier, he swings down to grapple with the movies villain mass 70gk who is standing directly under the chandelier. A) With what speed do the entwined foes start to slide across the floor? B) If the coefficient of kinetic friction of their bodies with the floor is μk = 0.220, how far do they slide? Express your answer in meters to two significant figures.