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+// 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);