// SAMPLE PROBLEM 3/9 clc;clear;funcprot(0); // Given data h=200;// The altitude in mi R=3959;// mi g=32.234;// The acceleration due to gravity in ft/sec^2 // Calculation // SigmaF_n=ma_n; v=(R*5280)*sqrt(g/((R+h)*5280));// ft/sec printf("\nThe velocity required for the spacecraft,v=%5.0f ft/sec",v);