And then 300 times 10, well that's plus 3,000. And then you subtract all of this evaluated at 0, which is just going to be 0. So this is going to be equal to 2,500 minus 2,000 is 500, plus 3,000. This all simplifies to 3,500, or 3,500. And then you divide it by 10. This is going to be 350, and it's an average velocity, meters per 350, meters per minute. And we are done.