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Usain bolt is considered to be the fastest person on earth. he holds the record for the fastest 100 meters, which he ran in 9.58 seconds in 2009. we'll assume that bolt ran the race at a constant speed. which of the following equations, where t represents time in seconds and d represents distance in meters, describe a speed greater than bolt's record-breaking speed in 2009?

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Final answer:

A speed greater than Usain Bolt's record-breaking speed of 10.4 m/s would result from an equation where the ratio of distance to time (d/t) exceeds 10.4 m/s.

Step-by-step explanation:

Usain Bolt's world-record speed for the 100-meter dash in 2009 was 10.4 m/s, equating to a time of 9.58 seconds. To describe a speed greater than Bolt's record-breaking speed, an equation would have d/t (distance over time) yield a value larger than 10.4 m/s. For example, if we create a scenario where a sprinter runs 100 meters in 9 seconds (t = 9), the average speed would be d/t = 100/9, which is approximately 11.11 m/s. This speed is faster than Bolt’s record.

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