20kph
While there was no slowest train, the slowest trains were those that had the slowest method for propulsion. In the Netherlands, there is record of a train pulled by a dog, while in Australia, prisoners were used to pull trains. There were many trains pulled by horses, but these had higher speeds than those pulled by people. These were the slowest types of trains.
Any of those kiddie rides would fit the bill & most are real trains.
Vadodara to Jambusar is the slowest train in India running @ 11 KM/Hour Speed. and taking 3.5 hours to complete 44KM stretch. Nilgiri express is officially slowest train running @ 10 KMs/Hour speed, but it is running in Hilli region and speed limit is obvious for it.
There is not a slowest helicopter in the world, hovering can be at 0 mph!
Dell laptops are exceedingly slow. They are the slowest computers in the world.
tortise is the slowest animat in the world
the slowest car in the world is peel p50 made on the isle of man
There is no possible answer because the slowest simmer could never be judged in the world.
the three toed sloth is the slowest. in fact its the slowest land mammal in the world.
no seahorse are not the slowest animal in the world.
the 3 toed sloth is the slowest