RE: Arrow speed question
Like bigcountry already mentioned there is such a program--excellent program I may add, that will give you all you're looking for.
You may get a chance at the program DEMO--but by registering and paying an annual fee of $35, I think, you will get all and more of what you're looking for.
However, if you choose to list the name and model of your bow, the DW, the type of arrow you're shooting, the length of the arrow and the weight of the braodhead I'll provide some of the information you're looking for.