A model of a helicopter rotor has four blades, each of length 3.0 m from the central shaft to the blade tip. The model is rotated in a wind tunnel at a rotational speed of 540 rev / min. V PartA What is the linear speed of the blade tip? Express your answer in meters per second. Quest Answer V PartB What is the radial acceleration of the blade tip expressed as a multiple of the acceleration due to gravity. 9? Express your answer as a multiple of g. west