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・ Speed skating at the 2014 Winter Olympics – Qualification
・ Speed skating at the 2014 Winter Olympics – Women's 1000 metres
・ Speed skating at the 2014 Winter Olympics – Women's 1500 metres
・ Speed skating at the 2014 Winter Olympics – Women's 3000 metres
・ Speed skating at the 2014 Winter Olympics – Women's 500 metres
・ Speed skating at the 2014 Winter Olympics – Women's 5000 metres
・ Speed skating at the 2014 Winter Olympics – Women's team pursuit
・ Speed skating at the 2018 Winter Olympics
・ Speed skating at the Asian Winter Games
・ Speed skating at the Winter Olympics
・ Speed skating at the Winter Universiade
・ Speed Skating Canada
・ Speed skating rink
・ Speed skiing
・ Speed skiing at the 1992 Winter Olympics
Speed skydiving
・ Speed square
・ Speed Star
・ Speed Stick
・ Speed tape
・ Speed The Band
・ Speed the Memorial Best 1335days Dear Friends 1
・ Speed the Memorial Best 1335days Dear Friends 2
・ Speed the Plough
・ Speed the Plough (Monroe, Virginia)
・ Speed thinking
・ Speed to Burn
・ Speed to fly
・ Speed to Spare
・ Speed Track


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Speed skydiving : ウィキペディア英語版
Speed skydiving

Speed Skydiving is a type of skydiving in which the goal is to achieve and maintain the highest possible terminal velocity. It was developed in the mid 2000s and is the fastest non-motorized sport on Earth. The speed achieved by the human body in free fall is a function of several factors, including the body's mass, orientation, and skin area and texture.〔While none of these matter in free fall in the absence of friction by Newton's Laws, they are significant when dealing with air resistance.〕 In stable, belly-to-earth position, terminal velocity is about 200 km/h (120 mph). Stable freefall head down position has a terminal speed of 240–290 km/h (around 150–180 mph). Further minimization of drag by streamlining the body allows for speeds in the vicinity of 480 km/h (300 mph).
==Competition==

Participants compete for the best Meet Result and attempt set World Record. A Meet Result is made up of 3 jumps from “regular” skydiving altitude   : 4,000 meters (13,124 ft). Meet Results and World Records can only be set during a sanctioned ISSA competition.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Speed skydiving」の詳細全文を読む



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