Given that young's modulus for aluminium is 7.0 × 10¹⁰ Nm^-2 and density is 2.7 × 10³ Kgm^-3 find the speed of the sound produced if a bar is struck at one end of the hammer.

• A. 5.1 × 10³ ms^-1
• B. 4.2 × 10³ ms^-1
• C. 3.6 × 10³ ms^-1
• D. 2.8 × 10³ ms^-1