Calculate the acceleration (in m/s²) of the electron if the field strength is 2.70 ✕ 10⁴ N/C.
1. 1.6 ✕ 10⁸
2. 1.6 ✕ 10⁹
3. 6.25 ✕ 10⁵
4. 6.25 ✕ 10⁶