[单选题]
The cutting cord on a ga dx6873aohrcrg0uxpyio4 t,xah16x 6.snx m0jvvlc+31h g;o x+ ph;ys-powered weed cutter is 0.16 m in length. If the motor rotates at t+g hn 0c.mvy1;op3xl+x;hvjs he rate of 20 rev/s, what is the approximate linear speed of the end of the cord?