I don't think you're going to get a faster missile for $15,000. That's a pipe dream.
Talking about a very small missile with no explosive..simply enough to disrupt the outer skin, would be enough. ..But I am not even considering
any such small missiles, since we are on the cusp of laser breakthroughs.
...And we are closer than you may think;
https://www.youtube.com/shorts/QRI78lu69Dc https://www.youtube.com/shorts/SDubf2KyRC0