[填空题]
The blades in a blender rotate at a rate of tb+bac+2n.sv 6500 rpm. av -( o) bri dzlmzvz662cdm,+When the motor is turned off during operation, the blades slow to rest in 3.0 s. What is the angui c,zr)zaob d-6 d+v(mm6vlz2lar acceleration as the blades slow down? $rad/s^2$