| 41. | These may initially have been used for sailing on water, or to slow the rate of descent when gliding.
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| 42. | Although he worried about them, the holes grew no bigger and his rate of descent soon slowed to about.
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| 43. | That would mean the plane's rate of descent was 4, 700 feet ( 1, 410 meters ) per minute.
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| 44. | That rate of descent is not beyond the capability of Kennedy's plane, but it was unusually fast, McMann said.
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| 45. | He then began his descent toward Martha's Vineyard, though Pearce said his precise rate of descent was not clear.
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| 46. | During the flare, the rate of descent was not arrested, the plane landed with the right wing slightly lower.
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| 47. | The new information about the plane's rate of descent cast a dark light on the flight's final moments Friday night.
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| 48. | Several factors affect the rate of descent in autorotation : density altitude, gross weight, rotor rotational speed, and forward airspeed.
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| 49. | Because of the rapid rate of descent and a slow forward air speed, the Osprey lost lift, investigators previously disclosed.
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| 50. | He said the plane's rate of descent had been measured at 7, 800 feet per minute, which is a steep dive.
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