It did have an effect slowing my car down and I could feel it like, 'Whoa, that's weird.

NPR: 10 Fans Injured When TV Cable Falls On Race Track

The government's economic policies came under focus on Thursday when the chief economist at the International Monetary Fund (IMF) said that the chancellor should consider slowing down austerity measures in his March budget, because of their effect on growth.

BBC: UK GDP: Economy shrank at end of 2012

But as manufacturing accounts for only about one-fifth of total output, the effect is to create the false impression that the whole economy is slowing down.

ECONOMIST: A monetary tug-of-war

To take a topical example of cause and effect, we might observe the government announcing budget cuts, and we might also observe the economy slowing down.

BBC: The Nobel prize, and the ONS