(1) A person is guilty of rape in the second degree when, under circumstances not constituting rape in the first degree, the person engages in sexual intercourse with another person:
(a) By forcible compulsion;
(b) When the victim is incapable of consent by reason of being physically helpless or mentally incapacitated;
(c) When the victim is a person with a developmental disability and the perpetrator is a person who:
(i) Has supervisory authority over the victim; or
(ii) Was providing transportation, within the course of his or her employment, to the victim at the time of the offense;
(d) When the perpetrator is a health care provider, the victim is a client or patient, and the sexual intercourse occurs during a treatment session, consultation, interview, or examination. It is an affirmative defense that the defendant must prove by a preponderance of the evidence that the client or patient consented to the sexual intercourse with the knowledge that the sexual intercourse was not for the purpose of treatment;
(e) When the victim is a resident of a facility for persons with a mental disorder or substance use disorder and the perpetrator is a person who has supervisory authority over the victim; or
(f) When the victim is a frail elder or vulnerable adult and the perpetrator is a person who:
(i) Has a significant relationship with the victim; or
(ii) Was providing transportation, within the course of his or her employment, to the victim at the time of the offense.
(2) Rape in the second degree is a class A felony.