qqp question1: A machine produces a metal profile at a speed of 30 meters/min. It takes about 15 seconds for the speed to reach from 0 to 30 m/min. After the first 15 seconds, the machine maintains a speed of 30 m/min for the remaining 45 seconds. What would the average speed be? question2: Why doesn't Pi have a 0 in its first 30 digits?