A point blank zero of two inch's doesn't say anything. If what you want is MPBR it is determined on the size of the target! Bullet velocity and B.C. can give you the answer pertaining to the size of the target. At one time I saw a coyote head, all I could see in the grass. Didn't know the range and the rifle was sighted in on a 6" target. Would have been very easy to miss. When I got back home I recomputed the MPBR but dropped to a 3" target. Made a huge difference. I don't know the range of that coyote but it as well within the ability of my 243 MPBR zeroed on a 3" target.
OK
With the velocity you noted and the BC with a 2" target at 200 yds you would be -2.6 inch's. Ath 100 yds you would be +.9" high MPBR would be 170yds and zero would be 150 yds.
Same thing but change the target size to 3".
You would be _1.6" low at 200yds and at 100 yds you would be=1.5".
If you want to check this, I would, simply find a range to 200 yds and shoot against it. Keep in mind that the two inch target mean's your bullet, If fired throught a 2" pipe would never go above or below the number's printed. With the 2" target it means a MPBR of the bullet being used at that velocity, would fall out the bottom of the pipe. To adjust at that point, raise the sight's.The drop of 2.6" at 200 yds is 1.6" below the line of sight.