[reply]
Already known. Already measured. That's what the Hubble Constant is.
I saw a graph of Hubble's law once, with a tiny box around the origin and the comment that this was the range of observation that Hubble had originally used to forumlate it.
BTW, I was lookiing at your article and thinking, "Now this guy's making sense!" and then saw your sig ... "Well, if it isn't Fred Z ! Howdy doo!"
Doing well. Hope you are, too.