Problem 4 Suppese there are true persons. They hath drive a ear and their utility is increasing in the speed .1: with whieh they drive. Them is a ehenee p that an aeeideslt happens, and this ehazaee increases in the speed ef the pes'sens: p = :1 + 32. In ease ef an aI::u':I'.der:ttI they safer casts e. The utility ef persen 1 is a] ; tegimlj elm:l + $3] and shades fer person 23. {a} What speed will persen .i' eheese? {In} What is the seeiaiiy eptimei speed efpersen I? ['e} If aae f is impesed ea perseh I fthere is an: aeeident, what weuld he the eptimei ne