add converter kph to mps

src/convert_kph_to_mps.c

@@ -0,0 +1,6 @@
+#include "convert_kph_to_mps.h"
+
+double converter_kph_to_mps(double kph){
+    double speed = kph / 3.6;
+    return speed;
+}

src/convert_kph_to_mps.h

@@ -0,0 +1,6 @@
+#ifndef THEADMIRALS_CONVERT_KPH_TO_MPS_H
+#define THEADMIRALS_CONVERT_KPH_TO_MPS_H
+
+double converter_kph_to_mps(double kph);
+
+#endif //THEADMIRALS_CONVERT_KPH_TO_MPS_H