A body of mass $4\,\text{kg}$ is moving at speed $2\,\text{m/s}$ on a circular path of radius $1\,\text{m}$. The speed of the particle is continuously increasing at the rate of $3\,\text{m/s}^2$. The force acting on the particle at the instant when the speed is $2\,\text{m/s}$ is