You could theoretically drill the holes REALLY deep...but you'd be better off buying a lighter ball.
Yes. Because paper is much much lighter than a bowling ball so if you drop them the paper will take atleast 1.3 seconds to fall and a bowling ball will take atleast 0.5 seconds.
bowling
If one were to sculpt a solid weight bowling ball from the suggested paper mache, it is likely to take at least 5 cups of water for a 5-pin bowling ball and at least 16 cups of flour for a 10-pin bowling ball. Consider in order to solidify the mache mixture, that each of these measurements will need to mix at least twice as much water, over the flour.
They move faster then others because they have weight in them. It may not make sense, but try this: Take a marble and a bowling ball. Roll them both the same speed. Which one goes faster? It will be the bowling ball because it has more weight to it. Regular clouds do not have much weight to them, so they float through the sky slower then rain clouds.
Kilogram is a unit of mass, not of weight. According to the Wikipedia article, "they generally range from six pounds to 16 pounds in weight"; in kilograms, that would be about half this amount (roughly 3-8 kilograms).
It takes about a couple of hours
Baffle the bear is in K3 (the snow world) when you find him, take the package to Blue. He will give you a bowling ball. take the bowling ball to Bridgegar Bazooka bear and he'll fire it off
If the ball is USBC certified then you can use it, even if it isn't certified who's gonna if you don't take it to any tournaments
Depending on the specific ball and materials, it could take 2-5 hours.
Bowling balls are made from different materials - either plastic, urethane or resin. Depending on which type you have, it may be possible to burn a bowling ball - but you would sure be making one heck of a toxic waste.
We can approximate the radius of a bowling ball to be about 26.7", the formula for calculating the volume of a sphere is (4/3)*pi*r^3 ,so the volume of our bowling ball is 79730.12 cubic inches