what is the total travel time TTT for 3 levels building requires if the the building Hight is 15 m, cabin take up to 10 people, the time for acceleration and deceleration is 1.5, cabin is 1000 kg with 100m/min speed, usage profile is in table and the peak time is 1 hour level 1: 100 people level 2: 250 people level 3: 250 people 32 seconds 23 seconds 25 seconds 15 seconds
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