In a 270 m race, P beats R by 30 m or 10 seconds. Find the speed of P.

• A. \(2\frac{3}{4}\) m/sec
• B. \(\frac{{62}}{3}\) m/sec
• C. \(5\frac{1}{2}\) m/sec
• D. \(3\frac{3}{8}\) m/sec