Question: A Blu-ray disc spins at 1530 r/min when the innermost edge is being read by the laser, and gradually slows to a rate of 630

A Blu-ray disc spins at 1530 r/min when the innermost edge is being read by the laser, and gradually slows to a rate of 630 r/min at the outer edge. Use an inequality to express the angular velocity ω of the disc.

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