The best estimates that I have seen for coyote top speed is right at 40mph. I would guess that when one is heading for the next county (but hasn't really kicked in the afterburners) it is doing about 25 to 30. Using the round figure of 30mph, that equates to 44 feet per second.
For ease in calculations, if we assume a muzzle velocity of 3000fps, a bullet is going to take about one-tenth of a second to cover a 100 yards. If the dog is running sideways to you, he will cover about 4.4' in the time it takes the bullet to get to his position. At 3300 fps projectile velocity, he would still cover about 4'. That would be the approximate lead you would need to make. If the yote is quartering away at 100 yards, the simple calculation would be to cut the lead in half to about 2.2' (or 2' with at 3300fps). Going straight away, just hold dead on. If the yardage is increased to 200 yards, the amount of lead required would approximately double from the 100 yard figures.
Even if a coyote is just trotting along at 10mph, at 100 yards he is still moving along at over 12' per second and your point of aim must take that into account.
Bottom line is that you have to lead a moving coyote, no matter how hypervelocity your rifle may be, and in the split seconds that you have to take the shot(s), you just have to ballpark it and pull the trigger. That's why the AR has my vote for yote hunting - I'm not talking "spray and pray", but rapid, aimed follow-up shots. I think we all know the rush of nailing one that is high-tailing it for cover. /ubbthreads/images/graemlins/grinning-smiley-006.gif /ubbthreads/images/graemlins/grinning-smiley-006.gif /ubbthreads/images/graemlins/grinning-smiley-006.gif
Have a Great Day!!!