Lara is a skier. She completed a ski race in 1 minute 54 seconds. The race was 475 m in length. Lara assumes that her average speed is the same for each race.
a) Using the assumption, work out how long Lara should take to complete a 700m race. Give your answer in minutes and seconds.
b) Lara's average speed actually increases the further she goes. How does this affect your answer to part a?
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