How fast can an 11-year-old run 100 metres?, About 10 seconds, Just under 12 seconds, About 15 seconds, Under 9 seconds, What is the world record for 100 metres mentioned in the text?, 10.2 seconds, 9.58 seconds, 9.9 seconds, 8.9 seconds, What is Usain Bolt’s fastest recorded speed?, 30 km/h, 38 km/h, About 45 km/h, 60 km/h, Which animal is the fastest land animal?, Ostrich, Elephant, Horse, Cheetah, How fast can a cheetah run?, 80 km/h, 96 km/h, 112 km/h, 60 km/h, Why can a cheetah run so fast?, Strong bones, Slim body, long legs, and large lungs, Short tail, Heavy muscles, How many times per minute can a cheetah breathe when running?, 50, 80, 100, Up to 150, What are fast-twitch muscles good for?, Long-distance running, Short, fast movements (sprinting), Walking, Breathing, What does “PB” stand for in the text?, Power boost, Physical balance, Performance base, Personal best, What are the two types of muscle fibre in humans?, Hard and soft, Long and shorty, Slow-twitch and fast-twitch, Strong and weak.

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