In addition to the powers conferred upon any authority by other provisions of this chapter, the authority is empowered to borrow or accept money or accept grants or other financial assistance from any Federal agency for or in aid of the authority's operations. It is the purpose and intent of this chapter to authorize the authority, and the authority is so authorized, to do any and all things necessary or desirable to secure the financial aid or cooperation of any Federal agency in any of the authority's operations. These things may include, without limiting the generality of the foregoing, the power to change or revise rates, fares and charges, to make relocation payments to families, businesses and nonprofit organizations, to provide an areawide transportation plan or program for the development of a comprehensive and coordinated mass transportation system for the metropolitan area, to carry out research, development and demonstration projects and to provide a share of the cost of any project and all as may be required by any Federal law or by the requirements of any Federal agency authorized to administer any Federal program of aid to any mass transportation program.