A helicopter spins at exactly 90 revolutions per minute. It's tip is 4.00 m from the center of rotation. (For each answer, enter a number) A: Calculate the average speed (in m/s) of the blade tip in the helicopters frame of reference.B: what is its average velocity (in m/s) over one revolution?

6. [-/2 Points] DETAILS OSCOLPHYS2016ACC 2.3.P.006. MY NOTES A helicopter blade spins at exactly 90 revolutions per minute. Its tip is 4.00 m from the center of rotation. (For each answer, enter a number.) (a) Calculate the average speed (in m/s) of the blade tip in the helicopter's frame of reference. m/s (b) What is its average velocity (in m/s) over one revolution? m/s