Question: John and Steven decided to do an experiment. They took one brick made of foam having weight of 200 g, and bunch of pebbles which has a total weight of 400g, and threw them out his second story window, when they looked down they discovered that the bundle of the pebbles reached the floor earlier than the brick because _____ than the pebbles.? 
Option 1: it has less mass
Option 2: it has more mass
Answer: Option 2