| 11. | His rate of descent was fast, but not overly so.
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| 12. | This would increase the rate of descent to around 10, 000 ft / min.
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| 13. | Over the next 30 seconds, the plane's rate of descent increased, according to radar.
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| 14. | The rate of descent may have been greater than 5, 000 feet per minute.
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| 15. | The flight director system could offer an explanation for the regular rates of descent.
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| 16. | The effect of airspeed on the rate of descent can be depicted by a polar curve.
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| 17. | On the final approach leg, the pilot increased his rate of descent to build up energy.
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| 18. | During descent towards the surface of Venus, a parachute opened to slow the rate of descent.
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| 19. | Aviation experts said the normal rate of descent to ensure passenger comfort is 500-700 feet per minute.
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| 20. | The aircraft does not stall, but enters a nose-high mushing condition with a slow rate of descent.
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