The circulation time of a mammal (that is, the average time it takes for all the blood in the body to circulate once and return to the heart) is proportional to the fourth root of the body mass of the mammal. (a) Write a formula for the circulation time, , in terms of the body mass, . Use as the constant of proportionality. Note that "" is already provided. Do not include this in your submitted response to this question. MathPAD Response msnViewer_res_c07q_eoc_1_117_006_sv g ViewEdit (b) If an elephant of body mass kilograms has a circulation time of seconds, find the constant of proportionality . Round your answer to one decimal place. (c) What is the circulation time of a human with body mass kilograms