In the follwing displacement $(x)$ vs time $(t)$ graph, at which among the points $P, Q$, and $R$ is the object's speed increasing?

• Correct answer
  A

  R only
• B

  P only
• C

  $\mathrm{Q}$ and $\mathrm{R}$ only
• D

  $P, Q, R$

Hence, the correct answer is option: 'A'.