What is the appropriate action when driving in rain?

When driving in rain, decreasing speed and increasing following distance is the appropriate action because wet conditions can significantly reduce traction and extend stopping distances. Rain can create slippery surfaces, making it more challenging to control the vehicle and react to sudden changes in traffic or road conditions. By slowing down, a driver can better manage their vehicle's handling and maintain control. Additionally, increasing the following distance provides more time to react to the vehicle in front, allowing for a safer stopping distance in case of sudden braking or emergencies. This approach helps mitigate the risks associated with hydroplaning and reduced visibility, which are common during rainy weather.