@BhargavRao, actually, I can just copy-paste the answer from the link, but I think that this question can be also marked as a dupe of the question I refer to. However, I'm not sure... â Ilya V. Schurov Dec 2 '14 at 13:00.
First barrel ride down Niagara Falls. On this day in 1901, a 63-year-old schoolteacher named Annie Edson Taylor becomes the first person to take the plunge over Niagara Falls in a barrel. After her husband died in the Civil War, the New York-born Taylor moved all over the U. S. before settling in Bay City, Michigan, around 1898.
The chance of surviving a fall into water depends a lot on the position in which you hit the water. People have survived vertical falls of 200 feet or so but they generally have entered the water feet first. From 200 feet your body would accelerate to about 60 to 70 miles per hour.