A=1.02 x 10^3 kcal/kg min and B=2.62 x 10^2 kcal/kg min

Question

in a study of oxygen uptake rate for marathon runners (costill and Fox, mediciene and science in sports, Vol. 1) it was found that the power expanded in kilocacolries per minute to give by the formula P-M(AV-B) where M is the mass of the runner weight in kilograms and V is the speed in meters per minute.  The constants A and B have value