A particle moves in a circle of radius 25 cm at two revolutions per second. The acceleration of the particle in \[m/{{s}^{2}}\] is [MNR 1991; UPSEAT 2000; DPMT 1999; RPET 2003; Pb. PET 2004]

• A. \[{{\pi }^{2}}\]
• B. \[8{{\pi }^{2}}\]
• C. \[4{{\pi }^{2}}\]
• D. \[2{{\pi }^{2}}\]