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To find the quotient, we divide the change in the diver's depth by the time it took to make that descent: \(\frac{10m}{10.1s} \approx 0.99 m/s\).
The quotient represents the rate of change in the diver's depth, which is approximately 0.99 meters per second.
Since the diver was descending, the depth change is negative, and therefore the answer is negative. So, the answer is -0.99.