Defending against resisting arrest is one of the toughest, beleive it or not. Public policy holds that no matter how justified you are in retrospect i.e. there was never a valid reason to arrest you, you can still be convicted of the resisting. Here you are stating that there may ba a valid arrest in the first instance which does not help. In circumstances, if "self-preservation" equates to self defense, you may be able to defend, but it depends on your witnesses, etc. Consult your criminal defense attorney and discuss your prospects.
If you found this "helpful" or "best answer," please click it with my appreciation. My response is for educational purposes and does not constitute legal advice nor creates an attorney client relationship which requires all the details and a personal conference.
This is a your word v. Cops case. Hire a good criminal defense lawyer. Hooefully your witnesses are credible.
I am a former federal and State prosecutor and now handle criminal defense and personal injury/civil rights cases. Feel free to check out my web site and contact me at (212) 577-9797 or via email at Eric@RothsteinLawNY.com. I was named to the Super Lawyers list as one of the top attorneys in New York for 2012. No more than 5 percent of the lawyers in the state are selected by Super Lawyers. The above answer is for informational purposes only and not meant as legal advice.